Home / 822,402.79-1,134,863.26-459,856.51

Finding the Fourth Proportional to 822,402.79, 1,134,863.26 and 459,856.51

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Solution

The fourth proportional to 822,402.79, 1,134,863.26 and 459,856.51 is: 634,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,402.79 : 1,134,863.26 = 459,856.51 : x
  2. Step 2: Convert to fraction form
    822,402.79/1,134,863.26 = 459,856.51/x
  3. Step 3: Cross multiply
    822,402.79x = 1,134,863.26 × 459,856.51
  4. Step 4: Simplify right side
    822,402.79x = 521,874,258,070.82
  5. Step 5: Solve for x
    x = 521,874,258,070.82/822,402.79
  6. Step 6: Final answer
    x = 634,572.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.